CN105744349A - OTT and digital television integrated terminal channel switching method and apparatus, and terminal - Google Patents
OTT and digital television integrated terminal channel switching method and apparatus, and terminal Download PDFInfo
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- CN105744349A CN105744349A CN201410764142.5A CN201410764142A CN105744349A CN 105744349 A CN105744349 A CN 105744349A CN 201410764142 A CN201410764142 A CN 201410764142A CN 105744349 A CN105744349 A CN 105744349A
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Abstract
The invention provides an OTT and digital television integrated terminal channel switching method and apparatus, and a terminal, and relates to an integration technology of OTT and a digital television terminal device. The method is applied to an OTT and digital television integrated terminal, and comprises the following steps: after the OTT and digital television integrated terminal receives a channel switching instruction, according to the channel switching instruction, analyzing program information of an object program, wherein the program information at least comprises a program name; according to the program information, obtaining a pre-sampling segment corresponding to the object program from a locally stored program list; and according to the pre-sampling segment, correspondingly arranging parameters of a player in an initializing mode so as to play the object program when channel switching is completed. According to the scheme provided by the invention, the problem of incapability of meeting the requirement for real-time performance by use of a conventional channel switching method is solved, before the channel switching, the pre-sampling method of the program list is obtained and initialization of the parameters of the player is completed, real-time performance of a digital television program after the channel switching is realized, and adaptation is unnecessary.
Description
Technical field
The present invention relates to the integration technology of OTT and digital-television terminal equipment, particularly relate to a kind of OTT and DTV convergent terminal channel switching method, device and terminal.
Background technology
Along with OTT and digital-television terminal equipment more and more enter into the family of ordinary people, greatly improve the life & amusement quality of people, tradition CHINA RFTCOM Co Ltd TV programme also more and more start to merge with OTT terminal unit, in the process merged, relate to the terminal of various different chip platform.
But, each platform, when realizing changing channels of digital television function, is play owing to current OTT terminal unit biases toward internet content, is failed to consider the real-time that digital television program is play, need the data that pre-cache is certain, and by the data initialization player parameter of pre-cache；The initialization of pre-cache data and player parameter all requires a great deal of time, and the OTT for different chip solution exploitations is required for doing substantial amounts of adaptive work with digital TV terminal.
Summary of the invention
It is an object of the invention to provide a kind of OTT and DTV convergent terminal channel switching method, device and terminal, before zapping, obtain sampling fragment, do not need to carry out adaptation and can complete player parameter initialization, it is achieved the real-time of digital television program after zapping.
For reaching above-mentioned purpose, embodiments of the invention provide a kind of OTT and DTV convergent terminal channel switching method, are applied to OTT and DTV convergent terminal, including:
Described OTT and DTV convergent terminal, after receiving zapping instruction, parse the programme information of target program according to described zapping instruction；Wherein, described programme information at least includes programm name；
In locally stored the rendition list, the pre-sampling fragment of corresponding described target program is obtained according to described programme information；
Parameter according to described pre-sampling fragment correspondence Initialize installation player, to play described target program after zapping completes.
Wherein, described the rendition list is described OTT with DTV convergent terminal when program searching, inquire about to cloud service platform according to the programme information searched, get the pre-sampling fragment of corresponding described programme information, and by generation after corresponding for described pre-sampling fragment described programme information preservation.
Wherein, when program searching, inquire about to cloud service platform according to the programme information searched, the pre-sampling fragment of the described programme information of correspondence got, including:
When searching one or more program, by being analyzed and acquired by the programme information of described program；
Inquiry request is sent to cloud service platform according to described programme information；
Receive the pre-sampling fragment download address of the described programme information of correspondence that described cloud service platform returns according to described inquiry request；
Corresponding pre-sampling fragment is obtained according to described pre-sampling fragment download address.
Wherein, described cloud service platform is after receiving described inquiry request, it is possible to carry out the retrieval of the pre-sampling fragment download address of corresponding program in data base according to described inquiry request.
Wherein, in locally stored the rendition list, obtain the pre-sampling fragment of corresponding described target program according to described programme information, including:
In locally stored the rendition list, the pre-sampling fragment of corresponding described target program is searched whether according to described programme information；
When the pre-sampling fragment that result indicates actual program list to have corresponding described target program, directly obtain described pre-sampling fragment.
Wherein, in locally stored the rendition list, obtain the pre-sampling fragment of corresponding described target program according to described programme information, also include:
When the pre-sampling fragment that result indicates actual program list not have corresponding described target program, the programme content of the described target program of buffer memory one preset time period；
Resolve audio frequency and/or the video data of described programme content, using described audio frequency and/or video data as pre-sampling fragment.
For reaching above-mentioned purpose, embodiments of the invention additionally provide a kind of OTT and DTV convergent terminal programme changer, including:
Parsing module, for described OTT and DTV convergent terminal after receiving zapping instruction, parses the programme information of target program according to described zapping instruction；Wherein, described programme information at least includes programm name；
Acquisition module, for obtaining the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list；
Broadcasting arranges module, for the parameter according to described pre-sampling fragment correspondence Initialize installation player, to play described target program after zapping completes.
Wherein, described the rendition list is described OTT with DTV convergent terminal when program searching, the pre-sampling fragment of the described programme information of correspondence got after inquiring about to cloud service platform according to the programme information searched, and by generation after corresponding for described pre-sampling fragment described programme information preservation.
Wherein, described OTT and DTV convergent terminal programme changer also include the rendition list generation module, for when program searching, inquire about to cloud service platform according to the programme information searched, get the pre-sampling fragment of corresponding described programme information, and generate described the rendition list after corresponding for described pre-sampling fragment described programme information preservation；Wherein
Described the rendition list generation module includes:
First obtains submodule, for when searching one or more program, by being analyzed and acquired by the programme information of described program；
Send submodule, for sending inquiry request according to described programme information to cloud service platform；
Receive submodule, for receiving the pre-sampling fragment download address of the described programme information of correspondence that described cloud service platform returns according to described inquiry request；
Second obtains submodule, for obtaining corresponding pre-sampling fragment according to described pre-sampling fragment download address.
Wherein, described cloud service platform is after receiving described inquiry request, it is possible to carry out the retrieval of the pre-sampling fragment download address of corresponding program in data base according to described inquiry request.
Wherein, described acquisition module includes:
Inquiry submodule, for searching whether the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list；
3rd obtains submodule, when the pre-sampling fragment that result indicates actual program list to have corresponding described target program, directly obtains described pre-sampling fragment.
Wherein, described acquisition module also includes:
Cache sub-module, is used for when the pre-sampling fragment that result indicates actual program list not have corresponding described target program, the programme content of the described target program of buffer memory one preset time period；
Process submodule, for resolving audio frequency and/or the video data of described programme content, using described audio frequency and/or video data as pre-sampling fragment.
In order to achieve the above object, embodiments of the invention additionally provide a kind of OTT and DTV convergent terminal, including OTT as above and DTV convergent terminal programme changer.
Having the beneficial effect that of the technique scheme of the present invention:
The OTT of the embodiment of the present invention and DTV convergent terminal channel switching method, parse the programme information at least including programm name of target program according to zapping instruction after, carry out the parameter of Initialize installation player according to the pre-sampling fragment that target program is corresponding.Owing to pre-sampling fragment is stored in the rendition list, the parameter of Initialize installation player can be directly used when zapping, after zapping completes, owing to having carried out the setting of parameter in advance, can directly play target program, relative to the Initialize installation just being carried out parameter in existing method after zapping by caching of target program again, better assure that the real-time playing program, and do not need the adaptation of each platform.
Accompanying drawing explanation
Fig. 1 represents the OTT of the embodiment of the present invention and the schematic flow sheet of DTV convergent terminal channel switching method；
Fig. 2 represents the OTT of the embodiment of the present invention and the concrete steps schematic diagram of DTV convergent terminal channel switching method；
Fig. 3 represents the step schematic diagram of cloud service platform；
Fig. 4 represents the OTT of the embodiment of the present invention and the application schematic diagram of DTV convergent terminal channel switching method；
Fig. 5 represents the OTT of the embodiment of the present invention and the structural representation of DTV convergent terminal programme changer.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed to existing channel switching method causes zapping rear video to play the requirement that can not meet real-time when zapping by the data initialization player parameter of pre-cache, and need consuming time carry out adaptation etc. problem, a kind of OTT and DTV convergent terminal channel switching method are provided, the pre-sampling fragment obtaining the rendition list before zapping completes player parameter initialization, it is achieved the real-time of digital television program and do not need to carry out adaptation after zapping.
As it is shown in figure 1, embodiments of the invention provide a kind of OTT and DTV convergent terminal channel switching method, it is applied to OTT and DTV convergent terminal, including:
Step 11, described OTT and DTV convergent terminal, after receiving zapping instruction, parse the programme information of target program according to described zapping instruction；Wherein, described programme information at least includes programm name；
Step 12, obtains the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list；
Step 13, the parameter according to described pre-sampling fragment correspondence Initialize installation player, to play described target program after zapping completes.
By above-mentioned steps, after user carries out zapping operation, OTT and DTV convergent terminal will receive zapping instruction, parse the programme information at least including programm name of target program afterwards according to zapping instruction according to step 11.The channel program play is wished after so-called target program i.e. user's zapping, for instance, user is currently watching the program of ZTV, it is desirable to watch the program of HNTV after zapping, then, HNTV is exactly target program.User sends zapping instruction often through operations such as remote controllers, including the programme information of target program, so first having to parse the programme information of target program in zapping instruction, preparing for realizing zapping in certain zapping instruction.
Next step is such as step 12, the programme information according to the target program resolving acquisition, the pre-sampling fragment of the corresponding target program of acquisition in locally stored the rendition list.So, finally such as step 13, according to the parameter of this pre-sampling fragment correspondence Initialize installation player, target program can be play after zapping completes.Owing to local program list including the pre-sampling fragment of program, OTT finds corresponding pre-sampling fragment just can carry out the parameter of Initialize installation player with DTV convergent terminal according to the programme information of target program in the rendition list, after zapping completes, owing to having carried out the setting of parameter in advance, can directly play target program, relative to the Initialize installation just being carried out parameter in existing method after zapping by caching of target program again, better assure that the real-time playing program, and do not need the adaptation of each platform.
Wherein, described the rendition list is described OTT with DTV convergent terminal when program searching, inquire about to cloud service platform according to the programme information searched, get the pre-sampling fragment of corresponding described programme information, and by generation after corresponding for described pre-sampling fragment described programme information preservation.
Will be appreciated that, OTT and DTV convergent terminal start program searching, a programs can be searched, it is naturally also the programme information that can get these programs and includes the essential informations such as programm name, preserve after getting each self-corresponding pre-sampling fragment, the rendition list of this programs searched can be generated.
As shown in Figure 2, on the OTT of above-described embodiment with the basis of DTV convergent terminal channel switching method, in another embodiment of the present invention, step 14, when program searching, inquire about to cloud service platform according to the programme information searched, the pre-sampling fragment of the described programme information of correspondence got, including:
Step 141, when searching one or more program, by being analyzed and acquired by the programme information of described program；
Step 142, sends inquiry request according to described programme information to cloud service platform；
Step 143, receives the pre-sampling fragment download address of the described programme information of correspondence that described cloud service platform returns according to described inquiry request；
Step 144, obtains corresponding pre-sampling fragment according to described pre-sampling fragment download address.
According to above-mentioned steps 141-144, OTT and DTV convergent terminal are when searching one or more program, by being analyzed and acquired by the programme information of program, then inquiry request is sent according to programme information to cloud service platform, receive the pre-sampling fragment download address of the corresponding programme information that cloud service platform returns according to described inquiry request afterwards, obtain corresponding pre-sampling fragment according to pre-sampling fragment download address.Certainly, cloud service platform is also possible to the pre-sampling fragment download address of not this program, now, the rendition list corresponding can identify the programme information of this program for not obtain state.
If program searching has not had, in addition it is also necessary to repeat step 141-144, until search terminates, at locally stored complete the rendition list, take during in order to zapping.
Wherein, described cloud service platform is after receiving described inquiry request, it is possible to carry out the retrieval of the pre-sampling fragment download address of corresponding program in data base according to described inquiry request.
Cloud service platform can provide the pre-sampling fragment download address of each program, as shown in Figure 3, after cloud service platform receives the inquiry request of OTT and DTV convergent terminal, in data base, the information retrieval of correspondence is carried out according to this inquiry request, whether there is the pre-sampling fragment download address of corresponding program, if there being the pre-sampling fragment download address returning corresponding program to OTT with DTV convergent terminal；If the pre-sampling fragment download address of corresponding program cannot be retrieved, returning, with DTV convergent terminal, the programme information identifying this program to OTT and do not obtain state, prompting OTT needs sampling with DTV convergent terminal.
After preserving the pre-sampling fragment of each program in recognizing the rendition list, step 13 includes:
Step 131, searches whether the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list；
Step 132a, when the pre-sampling fragment that result indicates actual program list to have corresponding described target program, directly obtains described pre-sampling fragment.
Such as step 131 and 132a, according to the programme information of target program search whether in locally stored the rendition list to should the pre-sampling fragment of target program, just can directly obtain after finding the pre-sampling fragment of needs.
Certainly, it does not have during the pre-sampling fragment of this program, have in above-mentioned known the rendition list to be likely to correspondence and be identified with the programme information of this program for not obtain state.As, when obtaining the pre-sampling fragment of HNTV, owing to cloud service platform can not retrieve the pre-sampling fragment download address of HNTV, the rendition list also cannot get pre-sampling fragment, it is identified with the programme information of this program for not obtain state, for this situation, step 13 also includes in an embodiment of the present invention:
Step 132b1, when the pre-sampling fragment that result indicates actual program list not have corresponding described target program, the programme content of the described target program of buffer memory one preset time period；
Step 132b2, resolves audio frequency and/or the video data of described programme content, using described audio frequency and/or video data as pre-sampling fragment.
Perform above-mentioned steps 132b1 and 132b2, according to Preset Time, one section of programme content of caching of target program HNTV, the audio frequency and/or the video data that resolve this programme content can preserve as pre-sampling fragment, complete the player Initialize installation to HNTV's play parameter.Complete to play after successfully in zapping, the pre-sampling fragment that this section of buffer memory be described is operable, cloud service platform can be uploaded to, so, the rendition list of local preservation can be updated, target program HNTV there has also been the pre-sampling fragment of correspondence, when the target program of zapping is this program later, it is possible to complete the player Initialize installation to HNTV's play parameter according to this pre-sampling fragment.
The concrete application of the OTT of the embodiment of the present invention and DTV convergent terminal channel switching method is described below in conjunction with accompanying drawing 4, user by remote terminal carry out zapping operation after, from zapping instruction, first parse the programme information such as HNTV of target program.Afterwards, obtaining the pre-sampling fragment in the rendition list from locally stored the rendition list, if the existing pre-sampling fragment of the rendition list, player completes the Initialize installation of parameter, player plays program by this pre-sampling fragment of buffer memory；If the rendition list does not have pre-sampling fragment or cannot play program according to player after pre-sampling fragment Initialize installation, the programme content of direct caching of target program HNTV, the audio frequency and/or the video data that resolve this programme content can preserve and complete the player Initialize installation to HNTV's play parameter as pre-sampling fragment, if resolving unsuccessful, reacquire new buffered program content.Complete to play after successfully in zapping, the pre-sampling fragment that this section of buffer memory be described is operable, cloud service platform can be uploaded to, so, the rendition list of local preservation can be updated, target program HNTV there has also been the pre-sampling fragment of correspondence, when the target program of zapping is HNTV later, it is possible to complete the player Initialize installation to HNTV's play parameter according to this pre-sampling fragment.
In sum, OTT and DTV convergent terminal carry out the parameter of Initialize installation player according to the pre-sampling fragment that target program is corresponding, it is saved in the rendition list after getting download address from cloud service platform due to pre-sampling fragment in program searching, the parameter of Initialize installation player can be directly used when zapping, after zapping completes, owing to having carried out the setting of parameter in advance, can directly play target program, relative to the Initialize installation just being carried out parameter in existing method after zapping by caching of target program again, better assure that the real-time playing program, and do not need the adaptation of each platform.
As it is shown in figure 5, embodiments of the invention additionally provide a kind of OTT and DTV convergent terminal programme changer, including:
Parsing module 10, for described OTT and DTV convergent terminal after receiving zapping instruction, parses the programme information of target program according to described zapping instruction；Wherein, described programme information at least includes programm name；
Acquisition module 20, for obtaining the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list；
Broadcasting arranges module 30, for the parameter according to described pre-sampling fragment correspondence Initialize installation player, to play described target program after zapping completes.
Wherein, described the rendition list is described OTT with DTV convergent terminal when program searching, the pre-sampling fragment of the described programme information of correspondence got after inquiring about to cloud service platform according to the programme information searched, and by generation after corresponding for described pre-sampling fragment described programme information preservation.
Wherein, described OTT and DTV convergent terminal programme changer also include the rendition list generation module 40, for when program searching, inquire about to cloud service platform according to the programme information searched, get the pre-sampling fragment of corresponding described programme information, and generate described the rendition list after corresponding for described pre-sampling fragment described programme information preservation；Wherein
Described the rendition list generation module 40 includes:
First obtains submodule 401, for when searching one or more program, by being analyzed and acquired by the programme information of described program；
Send submodule 402, for sending inquiry request according to described programme information to cloud service platform；
Receive submodule 403, for receiving the pre-sampling fragment download address of the described programme information of correspondence that described cloud service platform returns according to described inquiry request；
Second obtains submodule 404, obtains corresponding pre-sampling fragment according to described pre-sampling fragment download address.
Wherein, described cloud service platform is after receiving described inquiry request, it is possible to carry out the retrieval of the pre-sampling fragment download address of corresponding program in data base according to described inquiry request.
Wherein, described acquisition module 20 includes:
Inquiry submodule 201, for searching whether the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list；
3rd obtains submodule 202, when the pre-sampling fragment that result indicates actual program list to have corresponding described target program, directly obtains described pre-sampling fragment.
Wherein, described acquisition module 20 also includes:
Cache sub-module 203, is used for when the pre-sampling fragment that result indicates actual program list not have corresponding described target program, the programme content of the described target program of buffer memory one preset time period；
Process submodule 204, for resolving audio frequency and/or the video data of described programme content, using described audio frequency and/or video data as pre-sampling fragment.
The OTT of the embodiment of the present invention and DTV convergent terminal programme changer, after parsing module parses the programme information at least including programm name of target program according to zapping instruction, acquisition module is arranged module according to the pre-sampling fragment that target program is corresponding by broadcasting and carries out the parameter of Initialize installation player.It is saved in the rendition list after getting download address from cloud service platform due to pre-sampling fragment in program searching, the parameter of Initialize installation player can be directly used when zapping, after zapping completes, and owing to having carried out the setting of parameter in advance, can directly play target program, relative to the Initialize installation just being carried out parameter in existing method after zapping by caching of target program again, better assure that the real-time playing program, and do not need the adaptation of each platform.
It should be noted that, this OTT and DTV convergent terminal programme changer are to apply the above-mentioned OTT device with DTV convergent terminal channel switching method, the implementation of above-described embodiment OTT and DTV convergent terminal channel switching method, it is adaptable to this device also can reach identical technique effect.
Embodiments of the invention additionally provide a kind of OTT and DTV convergent terminal, including OTT as above and DTV convergent terminal programme changer.
The OTT of the embodiment of the present invention and DTV convergent terminal, parse the programme information at least including programm name of target program according to zapping instruction after, carry out the parameter of Initialize installation player according to the pre-sampling fragment that target program is corresponding.It is saved in the rendition list after getting download address from cloud service platform due to pre-sampling fragment in program searching, the parameter of Initialize installation player can be directly used when zapping, after zapping completes, and owing to having carried out the setting of parameter in advance, can directly play target program, relative to the Initialize installation just being carried out parameter in existing method after zapping by caching of target program again, better assure that the real-time playing program, and do not need the adaptation of each platform.
It should be noted that, this OTT and DTV convergent terminal are to apply the above-mentioned OTT terminal with DTV convergent terminal channel switching method, the implementation of above-described embodiment OTT and DTV convergent terminal channel switching method, it is adaptable to this terminal also can reach identical technique effect.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from principle of the present invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (13)
1. OTT and a DTV convergent terminal channel switching method, is applied to OTT and DTV convergent terminal, it is characterised in that including:
Described OTT and DTV convergent terminal, after receiving zapping instruction, parse the programme information of target program according to described zapping instruction；Wherein, described programme information at least includes programm name；
In locally stored the rendition list, the pre-sampling fragment of corresponding described target program is obtained according to described programme information；
Parameter according to described pre-sampling fragment correspondence Initialize installation player, to play described target program after zapping completes.
2. OTT according to claim 1 and DTV convergent terminal channel switching method, it is characterized in that, described the rendition list is described OTT with DTV convergent terminal when program searching, inquire about to cloud service platform according to the programme information searched, get the pre-sampling fragment of corresponding described programme information, and by generation after corresponding for described pre-sampling fragment described programme information preservation.
3. OTT according to claim 2 and DTV convergent terminal channel switching method, it is characterised in that when program searching, inquire about to cloud service platform according to the programme information searched, the pre-sampling fragment of the described programme information of correspondence got, including:
When searching one or more program, by being analyzed and acquired by the programme information of described program；
Inquiry request is sent to cloud service platform according to described programme information；
Receive the pre-sampling fragment download address of the described programme information of correspondence that described cloud service platform returns according to described inquiry request；
Corresponding pre-sampling fragment is obtained according to described pre-sampling fragment download address.
4. OTT according to claim 3 and DTV convergent terminal channel switching method, it is characterized in that, described cloud service platform is after receiving described inquiry request, it is possible to carry out the retrieval of the pre-sampling fragment download address of corresponding program in data base according to described inquiry request.
5. the OTT according to claim 1 or 3 and DTV convergent terminal channel switching method, it is characterised in that obtain the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list, including:
In locally stored the rendition list, the pre-sampling fragment of corresponding described target program is searched whether according to described programme information；
When the pre-sampling fragment that result indicates actual program list to have corresponding described target program, directly obtain described pre-sampling fragment.
6. OTT according to claim 5 and DTV convergent terminal channel switching method, it is characterised in that obtain the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list, also include:
When the pre-sampling fragment that result indicates actual program list not have corresponding described target program, the programme content of the described target program of buffer memory one preset time period；
Resolve audio frequency and/or the video data of described programme content, using described audio frequency and/or video data as pre-sampling fragment.
7. an OTT and DTV convergent terminal programme changer, it is characterised in that including:
Parsing module, for described OTT and DTV convergent terminal after receiving zapping instruction, parses the programme information of target program according to described zapping instruction；Wherein, described programme information at least includes programm name；
Acquisition module, for obtaining the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list；
Broadcasting arranges module, for the parameter according to described pre-sampling fragment correspondence Initialize installation player, to play described target program after zapping completes.
8. OTT according to claim 7 and DTV convergent terminal programme changer, it is characterized in that, described the rendition list is described OTT with DTV convergent terminal when program searching, the pre-sampling fragment of the described programme information of correspondence got after inquiring about to cloud service platform according to the programme information searched, and by generation after corresponding for described pre-sampling fragment described programme information preservation.
9. OTT according to claim 8 and DTV convergent terminal programme changer, it is characterized in that, described OTT and DTV convergent terminal programme changer also include the rendition list generation module, for when program searching, inquire about to cloud service platform according to the programme information searched, get the pre-sampling fragment of corresponding described programme information, and generate described the rendition list after corresponding for described pre-sampling fragment described programme information preservation；Wherein
Described the rendition list generation module includes:
First obtains submodule, for when searching one or more program, by being analyzed and acquired by the programme information of described program；
Send submodule, for sending inquiry request according to described programme information to cloud service platform；
Receive submodule, for receiving the pre-sampling fragment download address of the described programme information of correspondence that described cloud service platform returns according to described inquiry request；
Second obtains submodule, for obtaining corresponding pre-sampling fragment according to described pre-sampling fragment download address.
10. OTT according to claim 9 and DTV convergent terminal programme changer, it is characterized in that, described cloud service platform is after receiving described inquiry request, it is possible to carry out the retrieval of the pre-sampling fragment download address of corresponding program in data base according to described inquiry request.
11. the OTT according to claim 7 or 9 and DTV convergent terminal programme changer, it is characterised in that described acquisition module includes:
Inquiry submodule, for searching whether the pre-sampling fragment of corresponding described target program according to described programme information in locally stored the rendition list；
3rd obtains submodule, when the pre-sampling fragment that result indicates actual program list to have corresponding described target program, directly obtains described pre-sampling fragment.
12. OTT according to claim 11 and DTV convergent terminal programme changer, it is characterised in that described acquisition module also includes:
Cache sub-module, is used for when the pre-sampling fragment that result indicates actual program list not have corresponding described target program, the programme content of the described target program of buffer memory one preset time period；
Process submodule, for resolving audio frequency and/or the video data of described programme content, using described audio frequency and/or video data as pre-sampling fragment.
13. an OTT and DTV convergent terminal, it is characterised in that include the OTT as described in any one of claim 7 to 12 and DTV convergent terminal programme changer.
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| WO2022033153A1 (en) * | 2020-08-13 | 2022-02-17 | 海信视像科技股份有限公司 | Display method and display device |
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| WO2022033153A1 (en) * | 2020-08-13 | 2022-02-17 | 海信视像科技股份有限公司 | Display method and display device |
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